Inferred you are referring to the article "The New Survivors By Pamela Weintraub From Psychology Today 2009."
Explanation:
The last sentence depicts the author's view of hope–as something that can be learnt. Further, the author doesn't feel been rigidly optimism improves the lives of people, but their having an open sense of possibility, acceptance of risk, and face reality in a clear-eyed fashion, while doing the best they can makes then live through their worries successfully.